package/tvheadend: Fix inclusion of DVB frequency tables in bundled build

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/tvheadend/tvheadend.mk

@@ -50,14 +50,20 @@ define TVHEADEND_CONFIGURE_CMDS
 			--arch="$(ARCH)"			\
 			--cpu="$(BR2_GCC_TARGET_CPU)"		\
 			--python="$(HOST_DIR)/usr/bin/python"	\
-			--disable-dvbscan			\
+			--enable-dvbscan			\
 			--enable-bundle				\
 			--disable-libffmpeg_static		\
 			$(TVHEADEND_CONF_OPTS)			\
 	)
 endef
 
+# The tvheadend build system expects the transponder data to be present inside
+# its source tree. To prevent a downloaded initiated by the build system just
+# copy the data files in the right place and add the corresponding stamp file.
 define TVHEADEND_BUILD_CMDS
+	$(INSTALL) -d $(@D)/data/dvb-scan
+	cp -r $(TARGET_DIR)/usr/share/dvb/* $(@D)/data/dvb-scan/
+	touch $(@D)/data/dvb-scan/.stamp
 	$(MAKE) -C $(@D)
 endef